No there is a plug at the end similar to what you would see in an oil pan. It takes two wrenches (9/16 and 1/2) to loosen and tighten it. The drain line just puts the plug where its easy to get to. Before I got it I would cover all pulleys and belts with paper towels, jack up the front of the car, crawl under it with a socket and two long extensions, and take the plug out. Then after the oil was drained I'd crawl under the car again with extensions to tighten it. I could never get a wrench on the drain plug from the top. There just isn't any room to turn the wrench. I've been told some people drain the oil into a small plastic cup to prevent the mess but I couldn't get a plastic cup under there and still unscrew the last few threads with my fingers.
Now I just kneel down, take the plug out, drain the oil without the mess of the paper towels, and put the plug back in. It's super easy. I really wish it had been available when I bought my supercharger.
ProCharger P-1SC, 9 psi, STD 396/383; Uncorrected 388/375; SAE 383/370.
Ret. USAF 1969-1973,1980-1996: Vietnam veteran. Aircraft maintenance. R & D, ICBM Operations.
Also own: 1997 Harley FXDWG, 1998 F-150, and 2002 Corvette LS1